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830626ca
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830626ca
编写于
12月 17, 2007
作者:
P
Paul Mundt
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差异文件
sh: Fix up switch_to() type casts.
Signed-off-by:
N
Paul Mundt
<
lethal@linux-sh.org
>
上级
9acb98fb
变更
1
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1 changed file
with
47 addition
and
47 deletion
+47
-47
include/asm-sh/system_32.h
include/asm-sh/system_32.h
+47
-47
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include/asm-sh/system_32.h
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830626ca
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@@ -9,53 +9,53 @@ struct task_struct *__switch_to(struct task_struct *prev,
/*
* switch_to() should switch tasks to task nr n, first
*/
#define switch_to(prev, next, last) \
do { \
register u32 *__ts1 __asm__ ("r1") = &prev->thread.sp; \
register u32 *__ts2 __asm__ ("r2") = &prev->thread.pc; \
register u32 *__ts4 __asm__ ("r4") = (u32 *)prev; \
register u32 *__ts5 __asm__ ("r5") = (u32 *)next; \
register u32 *__ts6 __asm__ ("r6") = &next->thread.sp; \
register u32 __ts7 __asm__ ("r7") = next->thread.pc; \
struct task_struct *__last; \
\
__asm__ __volatile__ ( \
".balign 4\n\t" \
"stc.l gbr, @-r15\n\t" \
"sts.l pr, @-r15\n\t" \
"mov.l r8, @-r15\n\t" \
"mov.l r9, @-r15\n\t" \
"mov.l r10, @-r15\n\t" \
"mov.l r11, @-r15\n\t" \
"mov.l r12, @-r15\n\t" \
"mov.l r13, @-r15\n\t" \
"mov.l r14, @-r15\n\t" \
"mov.l r15, @r1\t! save SP\n\t" \
"mov.l @r6, r15\t! change to new stack\n\t" \
"mova 1f, %0\n\t" \
"mov.l %0, @r2\t! save PC\n\t" \
"mov.l 2f, %0\n\t" \
"jmp @%0\t! call __switch_to\n\t" \
" lds r7, pr\t! with return to new PC\n\t" \
".balign 4\n" \
"2:\n\t" \
".long __switch_to\n" \
"1:\n\t" \
"mov.l @r15+, r14\n\t" \
"mov.l @r15+, r13\n\t" \
"mov.l @r15+, r12\n\t" \
"mov.l @r15+, r11\n\t" \
"mov.l @r15+, r10\n\t" \
"mov.l @r15+, r9\n\t" \
"mov.l @r15+, r8\n\t" \
"lds.l @r15+, pr\n\t" \
"ldc.l @r15+, gbr\n\t" \
: "=z" (__last) \
: "r" (__ts1), "r" (__ts2), "r" (__ts4), \
"r" (__ts5), "r" (__ts6), "r" (__ts7) \
: "r3", "t"); \
\
last = __last; \
#define switch_to(prev, next, last)
\
do {
\
register u32 *__ts1 __asm__ ("r1") =
(u32 *)
&prev->thread.sp; \
register u32 *__ts2 __asm__ ("r2") =
(u32 *)
&prev->thread.pc; \
register u32 *__ts4 __asm__ ("r4") = (u32 *)prev;
\
register u32 *__ts5 __asm__ ("r5") = (u32 *)next;
\
register u32 *__ts6 __asm__ ("r6") =
(u32 *)
&next->thread.sp; \
register u32 __ts7 __asm__ ("r7") = next->thread.pc;
\
struct task_struct *__last;
\
\
__asm__ __volatile__ (
\
".balign 4\n\t"
\
"stc.l gbr, @-r15\n\t"
\
"sts.l pr, @-r15\n\t"
\
"mov.l r8, @-r15\n\t"
\
"mov.l r9, @-r15\n\t"
\
"mov.l r10, @-r15\n\t"
\
"mov.l r11, @-r15\n\t"
\
"mov.l r12, @-r15\n\t"
\
"mov.l r13, @-r15\n\t"
\
"mov.l r14, @-r15\n\t"
\
"mov.l r15, @r1\t! save SP\n\t"
\
"mov.l @r6, r15\t! change to new stack\n\t"
\
"mova 1f, %0\n\t"
\
"mov.l %0, @r2\t! save PC\n\t"
\
"mov.l 2f, %0\n\t"
\
"jmp @%0\t! call __switch_to\n\t"
\
" lds r7, pr\t! with return to new PC\n\t"
\
".balign 4\n"
\
"2:\n\t"
\
".long __switch_to\n"
\
"1:\n\t"
\
"mov.l @r15+, r14\n\t"
\
"mov.l @r15+, r13\n\t"
\
"mov.l @r15+, r12\n\t"
\
"mov.l @r15+, r11\n\t"
\
"mov.l @r15+, r10\n\t"
\
"mov.l @r15+, r9\n\t"
\
"mov.l @r15+, r8\n\t"
\
"lds.l @r15+, pr\n\t"
\
"ldc.l @r15+, gbr\n\t"
\
: "=z" (__last)
\
: "r" (__ts1), "r" (__ts2), "r" (__ts4),
\
"r" (__ts5), "r" (__ts6), "r" (__ts7)
\
: "r3", "t");
\
\
last = __last;
\
} while (0)
#define __uses_jump_to_uncached __attribute__ ((__section__ (".uncached.text")))
...
...
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